145672123 has 2 divisors, whose sum is σ = 145672124. Its totient is φ = 145672122.

The previous prime is 145672103. The next prime is 145672127. The reversal of 145672123 is 321276541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145672123 - 2⁵ = 145672091 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (145672127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72836061 + 72836062.

It is an arithmetic number, because the mean of its divisors is an integer number (72836062).

Almost surely, 2^145672123 is an apocalyptic number.

145672123 is a deficient number, since it is larger than the sum of its proper divisors (1).

145672123 is an equidigital number, since it uses as much as digits as its factorization.

145672123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 145672123 is about 12069.4707009048. The cubic root of 145672123 is about 526.1692735424.

The spelling of 145672123 in words is "one hundred forty-five million, six hundred seventy-two thousand, one hundred twenty-three".